flutter login with api - one mobile tidak bisa login

I want to be able to login via an API to my flutter app. The first part is what is being posted to the API and the second part is the server response as seen on the code below: I/flutter ( 892): {email: [email protected] , password: 123456789} I/flutter ( 892): {errors: [The email field is required., The password field is required.]} pajak online jakarta login